When the preheated pulverized coal is injected, its cooling effect on hot blast is alleviated and its combustion is accelerated, consequently its utilization ratio is increased.
煤粉预热喷吹有利于减轻喷煤对热风的冷却效应、加速煤粉的燃烧过程而提高煤粉利用率。
2
The effect of the preheated mixed pulverized coal on its explosiveness is discussed, and the aim is to provide a new effective technique for reinforcement combustion of the pulverized coal.
为此，探讨了煤粉预热喷吹对混合煤粉爆炸性的影响，以期为强化喷煤燃烧提供一种新的有效工艺方法。
3
The effects of binder and damp mill on green balls, the process for preheated pellets with high strength and easy reduction, and coal-based direct reduction iron(DRI) were studied.